refactoring and adjusted spinbox and hazard button elements

coordinator/ui/components/unit_overview.lua

@@ -24,7 +24,7 @@ local pipe = core.graphics.pipe
 ---@param parent graphics_element parent
 ---@param x integer top left x
 ---@param y integer top left y
----@param unit ioctl_entry unit database entry
+---@param unit ioctl_unit unit database entry
 local function make(parent, x, y, unit)
     local height = 0
     local num_boilers = #unit.boiler_data_tbl